From 0fdf431715a5421d07f8d9a0a8f48ca822b668aa Mon Sep 17 00:00:00 2001
From: Thomas Heigl <thomas.heigl@gmail.com>
Date: Thu, 29 Jul 2021 11:18:56 +0200
Subject: [PATCH] HHH-14724 Add test for intersection types

---
 .../CollectionAsBasicTypeTest.java            | 11 +++++--
 .../collectionbasictype/ConcreteLike.java     | 15 ++++++++++
 .../test/collectionbasictype/Like.java        | 29 +++++++++++++++++++
 3 files changed, 53 insertions(+), 2 deletions(-)
 create mode 100644 tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/ConcreteLike.java
 create mode 100644 tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/Like.java

diff --git a/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/CollectionAsBasicTypeTest.java b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/CollectionAsBasicTypeTest.java
index 10b436c510..b00743c4da 100644
--- a/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/CollectionAsBasicTypeTest.java
+++ b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/CollectionAsBasicTypeTest.java
@@ -76,14 +76,21 @@ public class CollectionAsBasicTypeTest extends CompilationTest {
 	@TestForIssue(jiraKey = "HHH-12338")
 	@WithClasses({PhoneBook.class})
 	public void testMapType() throws ClassNotFoundException, NoSuchFieldException {
-		assertMetamodelClassGeneratedFor(PhoneBook.class);
+		assertMetamodelClassGeneratedFor( PhoneBook.class );
 
 		assertAttributeTypeInMetaModelFor(
 				PhoneBook.class,
 				"phones",
-				PhoneBook.class.getDeclaredField("phones").getGenericType(),
+				PhoneBook.class.getDeclaredField( "phones" ).getGenericType(),
 				"Wrong meta model type"
 		);
 
 	}
+
+	@Test
+	@TestForIssue(jiraKey = "HHH-14724")
+	@WithClasses({ Like.class, ConcreteLike.class })
+	public void testIntersectionType() {
+		assertMetamodelClassGeneratedFor( ConcreteLike.class );
+	}
 }
diff --git a/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/ConcreteLike.java b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/ConcreteLike.java
new file mode 100644
index 0000000000..7cbb14ea8e
--- /dev/null
+++ b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/ConcreteLike.java
@@ -0,0 +1,15 @@
+package org.hibernate.jpamodelgen.test.collectionbasictype;
+
+import javax.persistence.Entity;
+
+@Entity(name = "ConcreteLike")
+public class ConcreteLike extends Like<ConcreteLike.Target> {
+
+	@Override
+	public Reference<Target> getObject() {
+		return new Reference<>();
+	}
+
+	public static class Target implements Like.I1, Like.I2 {
+	}
+}
diff --git a/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/Like.java b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/Like.java
new file mode 100644
index 0000000000..a7f12494a3
--- /dev/null
+++ b/tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/collectionbasictype/Like.java
@@ -0,0 +1,29 @@
+package org.hibernate.jpamodelgen.test.collectionbasictype;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Inheritance;
+import javax.persistence.InheritanceType;
+
+/**
+ * @author Thomas Heigl
+ */
+@Entity
+@Inheritance(strategy = InheritanceType.SINGLE_TABLE)
+public abstract class Like<T extends Like.I1 & Like.I2> {
+
+	@Id
+	private Long id;
+
+	public abstract Reference<T> getObject();
+
+	interface I1 {
+	}
+
+	interface I2 {
+	}
+
+	public static class Reference<T> {
+	}
+
+}